National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Fair

70°F

21°C

Humidity 87%
Wind Speed E 6 mph
Barometer 29.94 in (1013.2 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 2 Aug 10:53 pm CDT
Extended Forecast for

3 Miles NE Martinsburg IA

  • Tonight

    Tonight: Mostly clear, with a low around 59. Northeast wind around 5 mph becoming calm.

    Low: 59 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 84. Calm wind becoming southeast around 5 mph in the morning.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 62. South wind 5 to 10 mph.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. South wind around 5 mph.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.

    Low: 65 °F

    Partly Cloudy
    then Chance
    T-storms

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 79 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.

    Low: 61 °F

    Showers
    Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 59. Northeast wind around 5 mph becoming calm.
Monday
Sunny, with a high near 84. Calm wind becoming southeast around 5 mph in the morning.
Monday Night
Mostly clear, with a low around 62. South wind 5 to 10 mph.
Tuesday
Sunny, with a high near 87. South wind around 5 mph.
Tuesday Night
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.
Wednesday
Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 61.
Friday
Mostly sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 67.
Sunday
Mostly sunny, with a high near 89.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Martinsburg IA
 41.22°N 92.21°W (Elev. 719 ft)
Last Update:
5:21 pm CDT Aug 2, 2026
Forecast Valid:
10pm CDT Aug 2, 2026-6pm CDT Aug 9, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation